Add labels to a chart, labels can be specified for x axis, y axis and plot.
chart_labels(x, title = NULL, xlab = NULL, ylab = NULL)
an ms_chart
object.
Text to add
mylc <- ms_linechart(data = browser_ts, x = "date", y = "freq",
group = "browser")
mylc <- chart_labels(mylc, title = "my title", xlab = "my x label",
ylab = "my y label")